bpmp_channel_status
return bpmp_channel_status(channel->bpmp, index) == MA_ACKD(index);
return bpmp_channel_status(channel->bpmp, index) == SL_SIGL(index);
return bpmp_channel_status(channel->bpmp, index) == MA_FREE(index);
return bpmp_channel_status(channel->bpmp, index) == SL_QUED(index);